{"metadata":{"title":"Preston, ID Monthly Climate Normals","page_url":"https://plainclimate.com/city/preston-id","primary_station_id":"USC00107346","source":"NOAA 1991-2020 U.S. Climate Normals","source_url":"https://www.ncei.noaa.gov/products/land-based-station/us-climate-normals","vintage":"2026-08-04","license":"CC0 1.0","license_url":"https://creativecommons.org/publicdomain/zero/1.0/","citation":"PlainClimate, \"Preston, ID Climate Normals\". https://plainclimate.com/city/preston-id","row_count":12},"annual_summary":{"city_slug":"preston-id","ann_tavg":47,"ann_tmax":60.3,"ann_tmin":33.7,"ann_prcp":17.3,"ann_snow":52.4,"ann_htdd":6993.9,"ann_cldd":461.3,"frost_first":"09/28","frost_last":"05/16","growing_season":135,"warmest_month":7,"coldest_month":1,"wettest_month":5,"driest_month":7,"snowiest_month":12,"comfort_score":44},"data":[{"month":"January","month_number":1,"avg_temp_f":23.8,"avg_high_f":32.3,"avg_low_f":15.3,"precip_in":1.66,"snow_in":13.5,"heating_degree_days":1277.2,"cooling_degree_days":0,"days_with_precip":9.9,"days_with_snow":7.5,"days_freezing":30.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"February","month_number":2,"avg_temp_f":28,"avg_high_f":37.7,"avg_low_f":18.3,"precip_in":1.4,"snow_in":10.8,"heating_degree_days":1035.9,"cooling_degree_days":0,"days_with_precip":9.6,"days_with_snow":5.7,"days_freezing":26.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"March","month_number":3,"avg_temp_f":38.8,"avg_high_f":50.3,"avg_low_f":27.2,"precip_in":1.5,"snow_in":5.1,"heating_degree_days":813.8,"cooling_degree_days":0,"days_with_precip":9.1,"days_with_snow":4,"days_freezing":25.3,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"April","month_number":4,"avg_temp_f":46,"avg_high_f":59.1,"avg_low_f":32.9,"precip_in":1.89,"snow_in":3,"heating_degree_days":570.1,"cooling_degree_days":0.1,"days_with_precip":10.2,"days_with_snow":2.2,"days_freezing":15,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"May","month_number":5,"avg_temp_f":54.8,"avg_high_f":69.1,"avg_low_f":40.4,"precip_in":2.24,"snow_in":0.2,"heating_degree_days":323,"cooling_degree_days":5.2,"days_with_precip":10.3,"days_with_snow":0.2,"days_freezing":3.8,"days_90f_plus":0.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"June","month_number":6,"avg_temp_f":63.1,"avg_high_f":79.4,"avg_low_f":46.8,"precip_in":1.24,"snow_in":0,"heating_degree_days":111.2,"cooling_degree_days":54.2,"days_with_precip":5.6,"days_with_snow":0,"days_freezing":0.3,"days_90f_plus":3.8,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"July","month_number":7,"avg_temp_f":71.4,"avg_high_f":89.2,"avg_low_f":53.5,"precip_in":0.74,"snow_in":0,"heating_degree_days":11.5,"cooling_degree_days":208.2,"days_with_precip":4.5,"days_with_snow":0,"days_freezing":0,"days_90f_plus":16.7,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"August","month_number":8,"avg_temp_f":69.9,"avg_high_f":87.4,"avg_low_f":52.4,"precip_in":0.81,"snow_in":0,"heating_degree_days":18.4,"cooling_degree_days":170.2,"days_with_precip":4.7,"days_with_snow":0,"days_freezing":0.1,"days_90f_plus":12.1,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"September","month_number":9,"avg_temp_f":59.9,"avg_high_f":76.9,"avg_low_f":43,"precip_in":1.48,"snow_in":0,"heating_degree_days":174.7,"cooling_degree_days":23.2,"days_with_precip":5.5,"days_with_snow":0,"days_freezing":1.9,"days_90f_plus":1.2,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"October","month_number":10,"avg_temp_f":48,"avg_high_f":62.6,"avg_low_f":33.4,"precip_in":1.59,"snow_in":0.8,"heating_degree_days":527.2,"cooling_degree_days":0.2,"days_with_precip":7.4,"days_with_snow":0.7,"days_freezing":14.7,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"November","month_number":11,"avg_temp_f":35.3,"avg_high_f":46.5,"avg_low_f":24.1,"precip_in":1.18,"snow_in":4.9,"heating_degree_days":891,"cooling_degree_days":0,"days_with_precip":7.6,"days_with_snow":3.1,"days_freezing":26.4,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null},{"month":"December","month_number":12,"avg_temp_f":25,"avg_high_f":33.5,"avg_low_f":16.5,"precip_in":1.57,"snow_in":14.1,"heating_degree_days":1239.9,"cooling_degree_days":0,"days_with_precip":9.8,"days_with_snow":7.2,"days_freezing":30.1,"days_90f_plus":0,"humidity_pct":null,"wind_speed_mph":null,"clear_sky_pct":null,"overcast_pct":null}]}